Ring Main Unit Switchgear

Deyan Electric is a professional industrial electrical supplier with integrated R&D, production and service. Ring Main Unit switchgear is a compact, sealed secondary distribution unit for medium-voltage networks. It ensures reliable power supply by enabling efficient load switching and fault isolation in a "ring" configuration, minimizing outages. Its key features include modular design, SF6 or vacuum insulation, and enhanced safety for urban and industrial applications.

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Product Description

The Ring main unit switchgear Product Introduction offers 10 standard configuration options, meeting the application requirements of most 36–40.5kV distribution networks. As a compact switchgear, the XGN-40.5 enables virtually any combination of selected functional units.

The ring main unit switchgear features interfaces and user interfaces, delivering a complete switching solution for 36–40.5kV secondary distribution networks.

Its stainless steel gas chamber is filled with SF6 gas, completely sealing all live parts and switches from the external environment. This fully sealed system protects internal switches and all live parts from external environmental changes, ensuring high reliability, personnel safety, and virtually maintenance-free operation.

Product Parameter ( Specification )

● Vacuum Switchgear Main Technical Parameters

Name	Unit	numerical value
Rated voltage	kV	40.5
Rated current	A	1250 1600 2000
Rated frequency	Hz	50
Rated Short-Time Withstand Current	KA	20 25 31.5
Rated Peak Withstand Current	KA	50 63 80
Rated Power Frequency Withstand Voltage	KV	95/1min
Rated Lightning Impulse Withstand Voltage	KV	185
Rated Short-Circuit Duration	S	4
Protection Rating		IP3X

● Vacuum Circuit Breaker Key Technical Parameters

Name	Unit	numerical value
Rated voltage	KV	40.5
Rated frequency	HZ	50
Rated Power Frequency Withstand Voltage	KV	95/1min
Rated Lightning Impulse Withstand Voltage	KV	185
Rated current	A	1250 1600 2000
Rated Short-Time Withstand Current	KA	20 25 31.5
Rated Short-Time Breaking Current	KA	20 25 31.5
Rated Peak Withstand Current	KA	50 63 80
Rated Short-Circuit Duration	ms	4
Opening time	ms	30 ≤ t≤ 60
Closing time	s	50 ≤ t≤ 100
Rated Short-Circuit Breaking Current Cycles	Second	20
Mechanical life	Second	10000
Protection Rating		IP43

Product Feature And Application

Maximum Safety & Personnel Protection

Unmatched Reliability & Environmental Resistance

Compact & Space-Saving Design

Operational Flexibility & Future-Proofing

Application Sites

◇ Compact secondary substations

◇ Small industrial and mining enterprises

◇ Wind power plants

◇ Hotels, shopping malls, office buildings, commercial centers, etc.

◇ C- Load switch unit

◇ D- Direct cable connection unit

◇ De- Direct cable connection unit with grounding switch

◇ F- Load switch-fuse combination unit

◇ V- Vacuum circuit breaker unit

Production details

Ring Main Unit Switchgear

Hot Tags: Ring Main Unit Switchgear, Manufacturer, Supplier, Factory

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Contact Info

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Address

No.60, Binhai South Second Road, Economic Development Zone, Yueqing City, Zhejiang Province, China
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Tel

+86-15088597733
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Email

sales@deyanele.com

For inquiries about High Voltage Switchgear, Medium Voltage Switchgear, Low Voltage Switchgear or price list, please leave your email to us and we will be in touch within 24 hours.